var docCookies = {
  getItem: function(sKey) {
    return (
      decodeURIComponent(
        document.cookie.replace(
          new RegExp(
            "(?:(?:^|.*;)\\s*" +
              encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") +
              "\\s*\\=\\s*([^;]*).*$)|^.*$"
          ),
          "$1"
        )
      ) || null
    )
  },
  setItem: function(sKey, sValue, vEnd, sPath, sDomain, bSecure) {
    if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) {
      return false
    }
    var sExpires = ""
    if (vEnd) {
      switch (vEnd.constructor) {
        case Number:
          sExpires =
            vEnd === Infinity
              ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT"
              : "; max-age=" + vEnd
          break
        case String:
          sExpires = "; expires=" + vEnd
          break
        case Date:
          sExpires = "; expires=" + vEnd.toUTCString()
          break
      }
    }
    document.cookie =
      encodeURIComponent(sKey) +
      "=" +
      encodeURIComponent(sValue) +
      sExpires +
      (sDomain ? "; domain=" + sDomain : "") +
      (sPath ? "; path=" + sPath : "") +
      (bSecure ? "; secure" : "")
    return true
  },
  removeItem: function(sKey, sPath, sDomain) {
    if (!sKey || !this.hasItem(sKey)) {
      return false
    }
    document.cookie =
      encodeURIComponent(sKey) +
      "=; expires=Thu, 01 Jan 1970 00:00:00 GMT" +
      (sDomain ? "; domain=" + sDomain : "") +
      (sPath ? "; path=" + sPath : "")
    return true
  },
  hasItem: function(sKey) {
    return new RegExp(
      "(?:^|;\\s*)" +
        encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") +
        "\\s*\\="
    ).test(document.cookie)
  },
  keys: /* optional method: you can safely remove it! */ function() {
    var aKeys = document.cookie
      .replace(/((?:^|\s*;)[^\=]+)(?=;|$)|^\s*|\s*(?:\=[^;]*)?(?:\1|$)/g, "")
      .split(/\s*(?:\=[^;]*)?;\s*/)
    for (var nIdx = 0; nIdx < aKeys.length; nIdx++) {
      aKeys[nIdx] = decodeURIComponent(aKeys[nIdx])
    }
    return aKeys
  }
}

export default docCookies